全国各街道、乡镇人口数据

目录 第一部分MATLAB应用基础第1章MATLAB基础知识1．1基本概念1．1．1数据类型概述1．1．2整数类型1．1．3浮点数类型1．1．4常量与变量1．1．5数组、矩阵、向量和标量1．1．6字符型数据1．1．7运算符1．1．8复数1．1．9无穷量和非数值量1．2向量1．2．1向量的生成1．2．2向量的加减和数乘运算1．2．3向量的点、叉积运算1．3数组1．3．1数组的创建和操作1．3．2数组的常见运算1．4矩阵1．4．1矩阵生成1．4．2向量的生成1．4．3矩阵加减运算1．4．4矩阵乘法运

蚁群算法简单实现，里面采用最大最小蚁群算法和常规蚁群算法

matlab风速预测程序,基于时间序列的风速预测程序

matlab读取tif图片像素值保存于数组

2017年电子设计大赛_滚球控制系统源代码(PIXY+ds3115舵机+stm32+矩阵按键+lcd12864)

alternating direction method of multipliers优化算法讲解OutlineDual decompositionMethod of multipliersAlternating direction method of multipliersCommon patternsExamplConsensus and exchangeConclusionsDual decompositionDual problemp convex equality constrained optimization problemminimizesubject to Ax= 6e Lagrangian: L(a, g)=f(a)+y(Ac-bdual function: g(y)=infx L(, g)e dual problem: maximize g(g)recover x*=argminL(, y*)Dual decompositionDual ascentgradient method for dual problem: y+l=yk +aVg(yky ")=A c-b, where a= argmin L(a, y")b dual ascent method isk+1gminz L(a, yk/-minimization(Axk+I-b)// dual updateworks, with lots of strong assumptionsDual decompositionDual decompositione suppose f is separablef(x)=f1(x1)+…+fN(xN),x=(x1Nthen L is separable in x: L(a, y)=L1(a1, 3)+...+Ln(N, 3)-y bLi(ai, y)=fi(ai)+y Aiaie -minimization in dual ascent splits into N separate minimizationsk+1argmin Li(li, y)Which can be carried out in parallelDual decompositionDual decompositiondual decomposition(Everett, Dantzig, Wolfe, Benders 1960-65k+1argLi(ei, y)N A: k+scatterupdate i in parallel, gather Ai k+solve a large problemby iteratively solving subproblems(in parallel)dual variable update provides coordinationworks, with lots of assumptions; often slowDual decompositionOutlineDual decompositionMethod of multipliersAlternating direction method of multipliersCommon patternsExamplConsensus and exchangeConclusionsMethod of multipliersMethod of multipliersa method to robustify dual ascentb use augmented Lagrangian(Hestenes, Powell 1969),p>0(, y)=f(c)+y(Ax-b)+(p/2)Acmethod of multipliers( Hestenes, Powell; analysis in Bertsekas 1982)k+1argmin Lp(a, yD(A.(note specific dual update step length pMethod of multipliersMethod of multipliers dual update stepoptimality conditions( for differentiableAcx-b=0, Vf(a*)+A(primal and dual feasibility)Since ah+1minimizes Lp(a, y)k+1 kf(x4+1)+A7(y+p(AVxf(at)+adual update yti=y+p(k+1k+1dual feasibleprimal feasibility achieved in limit: A k+I-b>0Method of multipliers

【实例简介】TB6612双电机驱动板，AD原理图PCB，18mm正方形，有BOM表和数据手册。可以直接打版。TB6612FNG每通道输出最高1 A的连续驱动电流，启动峰值电流达2A / 3A(连续脉冲/单脉冲);4种电机控制模式:正转/反转/制动/停止; PWM支持频率高达100 kHz;待机状态;片内低压检测电路与热停机保护电路;工作温度:-20~ 85°C; SSOP24小型贴片封装。

【实例简介】在MATLAB中实现用主成分分析（PCA）的方法对矩阵的降维.其中包括具体程序实现代码，为了增加程序的可读性，对程序的主要步骤都进行了解释。

【实例简介】基于OpenCV实现张正友相机标定（完整程序+棋盘图），代码可直接打开运行，附有棋盘图。如有问题可直接联系博主。

MATLAB通信技术的全部例程（全）包括WCDMA、ofdm、mimo、各种调制技术、编码技术等